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Q. No.
Assertion(A):
ADA-deficiency causes immunodeficiency.
Reason(R):
ADA is crucial for immune system to function.
1.
Both (A) and (R) are True and (R) is the correct explanation of (A).
2.
Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.
(A) is True but (R) is False.
4.
Both (A) and (R) are False.
Subtopic: Â Molecular Diagnosis |
 89%
From NCERT
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| Assertion(A): | 95% of the existing transgenic animals are mice. |
| Reason(R): | They are important live tools for researching human disease, being used to understand gene function in context of disease susceptibility, progression and to determine responses to a therapeutic intervention. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Transgenic Microbes & Animals |
 76%
From NCERT
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| Assertion(A): | Transgenic animals can be specifically designed to allow the study of how genes are regulated. |
| Reason(R) | Gene regulation can be studied only in the transgenic animals. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Transgenic Microbes & Animals |
 54%
From NCERT
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| Assertion(A): | The transgenic cow, Rosie, could produce human alpha-lactalbumin. |
| Reason(R): | This milk is nutritionally more balanced product for human babies than the baby's mother. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Transgenic Microbes & Animals |
 50%
From NCERT
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| Assertion(A): | Transgenic mice are being developed for use in testing the safety of vaccines before they are used on humans. |
| Reason(R): | Transgenic mice are being used to test the safety of polio vaccine. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Transgenic Microbes & Animals |
 70%
From NCERT
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| Assertion(A): | For toxicity testing, transgenic animals are exposed to the toxic substances and the effect is studied. |
| Reason(R): | Transgenic animals are made to carry genes which make them more sensitive to toxic substances than non transgenic animals. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Transgenic Microbes & Animals |
 78%
From NCERT
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| Assertion(A): | Most of the industrialised nations are rich financially but poor in biodiversity and traditional knowledge whereas it is opposite in case of developing and underdeveloped countries. |
| Reason(R): | Traditional knowledge related to bio-resources can be exploited to develop modern applications and can also be used to save time, effort and expenditure during their commercialisation. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Ethical Issues |Â Biowar |
 67%
From NCERT
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Read the following statements:
How many of the above statements are correct?
1. Three
2. Four
3. Two
4. One
| (i) | Hybridoma is a cell produced by the fusion of two cells of different origin |
| (ii) | ADA deficiency can be cured by bone marrow transplantation which is a permanent cure |
| (iii) | All genetically modified organisms (GMO) are transgenic organisms |
| (iv) | IFN belong to a group of glycoprotein called cytokines |
| (v) | Pseudomonas putida can degrade toluene, camphor, octance and xylene |
How many of the above statements are correct?
1. Three
2. Four
3. Two
4. One
Subtopic: Â Gene Therapy |
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Find the true (T)/false (F) statements and choose the correct option.
I. GMO may lead to health risk in humans
II. Interferons were discovered by Issacs and Lindenmann
III. Interferons can cure AIDS
IV. Antibodies derived from a single clone of cells which recognize only one kind of antigen, are called monoclonal antiobodies
I. GMO may lead to health risk in humans
II. Interferons were discovered by Issacs and Lindenmann
III. Interferons can cure AIDS
IV. Antibodies derived from a single clone of cells which recognize only one kind of antigen, are called monoclonal antiobodies
| I | II | III | IV | |
| 1. | T | T | F | T |
| 2. | T | T | T | T |
| 3. | F | T | T | T |
| 4. | T | F | F | T |
Subtopic: Â Gene Therapy |Â Transgenic Microbes & Animals |
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Assertion (A): Clone of cells having the mutated gene doesn't appear on photographic film in autoradiography.
Reason (R): The used probes do not have complementarity with the mutated gene.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason (R): The used probes do not have complementarity with the mutated gene.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Molecular Diagnosis |
 85%
From NCERT
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